Wristband



June 3, 1930.' H. M. STEGEM'AN 1,761,545 v WRISTBAND Filed Dec. 5, 1927 2f 25' r, i6 7 i I INI/EN TOR.

Ham M. Segeman A TTORNE Y.

Patented June 3, 1930 UNITED/STATES rArE'r eric 4 p HARRY MI STEGEMAN, or FORT Trror'aAs, KENTUCKY, AssreNon. To THE wAnswoaTH WATCH CASE COMPANY, or DAYTON, KENTUCKY, `a CoaPonATioN or KnNTUcKr claimed.

i `shown 'in open or unlocked. position) WnIsTBANn Application filed December 5, 1927. Serial'No. 237,797.

Myinvention relates to wrist bands preferably made of metal and includes the fastening means therefor.` Referenceis made to the pending application of Arthur W. l/Vads* worth, Serial No. 204,374, filed July 8, 1927.

The object of` my invention is to provide,

means whereby the surfaces of the band sections are prevented from being marredor scratched by the sliding of one end portion over the other or by the cam locking mechn an1sm.': f

A stillfurther object of my invention v'is to provide metal band sections of thin metal, the edgesof whichare increased in thickness,

thereby giving' the band a thicker appearance than it actuallyhas throughoutv its cross-sectional area.

Further objects and advantages will become apparent as the description proceeds.

The invention consists in the construction, combination,. location and arrangement of parts,.as hereinafter moreA fully set forth and In the drawing:

Fig. lis an edge elevation oil a metal wrist band in open or expanded position and shown attached to a watch case, the dotted lines representing the lockingdevi'cefin closed/position; 'i

Fig. 2 is a front viewofthe metalwrist band showing the clamping means inclosed or locked position;

Fir?. 3 is-a longitudinalzsection of the'wrist band and fastening means (the latterbeing taken on line 3 3 of Fig. 2;

F l isa similar view but showing the fastening means in closed or locked position;

Fig. 5 is a cross-sectional view taken on the line 5 5 of Fig. 2;

Fig. 6 is a cross-section of one of the metal bands taken on the line 6-6 of Fig. 1;

Fig. 7 is a perspective view of the locking cam;

Fig. 8 is a perspective view of the loop formed integral with one end of one of the band sections; and

Fig. 9 is a perspective view of the U-shaped guide. p

In the embodiment of my invention, as

` case 1.

- receiving the ends ofpin 17.

illustrated, and which shows a preferred construction, I provide a watch case 1 of. the usual construction, the ends 2 and 3 of which are provided with lugs which receive the usual spring pin bars 5. .The metal band sections 6 and 7 are provided at one end with loops 8, which loops are .adapted to receive said bars 5 andin this way said strap sections 4are removably attached to said watch End 9 of metalband section 6 is provided with. a loop guide 10, as shown in Fig. i1, which is secured to said end 9 in any suit able manner, as for example, by rivets 11.

The loop guide 10 is preferablyrectangular in shape and wide enough to form opening 12 between end 9 and part 13 ot-guide 10, which opening is for the purpose of slidably receiving the metal band section 7, as clearly explained under operation.

End 14E of metal band section 7 terminates in elongated loop 415, Vas Vclearly shownl in Fig. 8.V Cam adjusting lever 16 is pvotally supported by pin17 which pin is received by holes 18 in said lever 16 and elongated opening 1-9V withinloop 15,` Guide 20 is substantially U-shaped,.as shown in Fig. 5, the ears 21 of which are provided lwith holes 22 Jfor In orderto permanently assemble said guide 2,0`ca1n lever 16, elongated loop 15 and pin 17 together (as 4shown inFigj) Iv propose to flatten or burnish the ends of said pin 17, so as'to Jform enlarged heads 23.

yGuide 2O is spaced apart from end lll of band section 7 to form opening 211 for the purpose of slidably receiving band section 6. The longitudinal edges 25 of band sections 6 and 7 are of a greater thickness than the central part 26, including .ornamental portions 26', as clearly shown in Figs. 5, Gand 8, respectively. u, f f

Operation-#The operation of my device is as follows: Y

Assume that Vthe band sections 6 and 7, respectively, have been attached to watch case 1, and that band Ysection 6 has been inserted within opening 24Vbeneath guide 2,0

and band section7 has been inserted within i opening 12 beneathguide 10 and cam adjusting lever 16 is in the open or unlocked position with the guide 10 near guide 20, as shown in Fig. 1. The bands may then be placed over the hand and upon the wearers wrist, due to enlarged or expanded opening 27 formed by said band sections 6 and 7 when in the extended position, as shown in Figs. 1 and 2, respectively.

The next step is to slide band section 7 upon band section 6, thereby reducing opening 27 until said bands snugly fit the wrist of the wearer.

The next step is to securely hold or lock said band sections in iixed relation with each other in said adjusted position which is easily accomplished by depressing the cam adjusting lever 16 from the unlocked position, shown by full lines in Fig. 1, to the holding or locked position, shown by dotted lines in Fig. 1. This causes the eccentric portion 28 of cam adjusting lever 16 to bear against the faces 29 of longitudinal raised or thick margins 25, as clearly shown in Figs. 4 and 5, respectively, thereby tightly wedging said band section 7 between said eccentric portions 28 and band section 6, the latter band section being, in turn, wedged against guide 20, as clearly shown in Fig. 5. y

lt will readily be seen by this construction that the eccentric portions 28 of cam adjusting lever 16 come into contact with the faces 29 only, which prevents said eccentric portions from marring or scratching the central part 26 of band sections 6 or 7. As

.clearly shown in Fig. 5, the only portions of band sections 6 and 7 touching one another when sliding one upon the other are the raised faces 29. This also prevents marring or scratching of the central plain or ornamental part-s 26 when sliding one band upon the other when adjusting said sections about the wrist oi' removing them therefrom.

Another advantage of this construction is the elongated loop 15. rThe length of this loop 'plays an important part when the cam adjusting lever 16 is in the unlocked position, due to the fact that it allows play between the end 11i of band section 7 and end 9 of band section 6, which is desirable for the easy sliding of one band section upon the other when making adjustments and also prevents excessive rubbing of the faces 29.

It will be understood that certain changes and modifications of the invention can be made without departing from the scope or spirit thereof as defined in the claims.

That I claim as new and desire to secure by Letters Patent is:

1. A metal wrist watch band comprising a pair of band sections each vhaving outer exposed raised margins at all times, locking means carried by one end of one section and adapted to engage a raised margin of said section, and means for slidably retaining said sections in partly overlapped relation with each other at all times.

2. A metal Wrist watch band comprising two secetions slidably held in partly overlapped relation With each other, raised por tions adjacent the side edges of each section and locking means adapted to have a wedging acti-on against said raised portions only whereby said sections are held in adjusted elation to each other, for the purposes speci- 3. A metal wrist Watch band comprising a pair of band sections each having outer raised margins, the end portions of which sections are adapted to overlap one another, a guide at the end of one section for receiving the overlapped end of the other section, a U- shaped guide adapted to embrace the raised margins of the overlapped ends, a pin mounted in said guide and a lever having spaced apart cams thereon mounted on said pin and adapted to clamp said overlapped ends in adj ustably fixed relation to each other between said cams and U-shaped guide.

4. A metal wrist watch band comprising a pair of band sections each having raised outer exposed margins, the end portions of which sections are adapted to voverlap each other, means for slidably retaining said sections in partly overlapped relation with each other, and a lever pivot-ally attached to one of said band sections and having spaced apart cams thereon adapted to have a wedging action against the raised margins only of said section and to clamp said section against the raised margins of the other section and to prevent marring of said sections during longitudinal movement thereof relative to each other.

5. A metal wrist watch band comprising two sections slidably held in partly overlapped adjusted relation With each other, thickened raised longitudinal margins on each section, and means having a wedging action against said raised margins whereby said sections are held in adjusted relation to each other without scratching or otherwise marring the portions of the sections intermediate the thick raised longitudinal margins, substantially as set forth and for the purposes specified.

HAR-RY M. STEGEMAN. 

